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Window Sash Repairs

Regularly inspect the window sashes for damage, window repairs mildew, and mold. If you catch these issues early you will save money on repairs in the future.

The sash is an interior frame that is vertically moved up or down in windows that open. This article will teach you how to make several simple sash repairs.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also sturdy and last for a long time provided they are properly maintained. However, they can be damaged or deteriorate as time passes because of exposure to the elements and normal wear and tear. Fortunately, sash repair specialists can bring your windows back to their original condition and keep them looking great for longer than replacement windows.

The first step in sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's damaged or worn out, it could cause drafts and other issues. To fix it, start by determining your window's brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its width and height so that you can locate new weather stripping that matches.

Next, remove the sash and set it on a work surface so you can access all four sides. If your sash is double-hung, you'll have to take off the weights and the ropes that go with them, which should have fallen into the intended pocket in the jamb liner. After removing the sash using the utility knife, remove the weather stripping that was left by hand or using a putty knife.

After the sash has been cleared, you can install the stoppers that separate the two sashes. These are long pieces that separate the sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could substitute for a scrap piece of lumber.

After removing the parting stops and trimming them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty knife, and let it dry for at least one day. When it's completely dried, apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear from time and usage, and the result can be a upvc window repair near me or door that can't be opened or closed easily. The good news is that fixing and replacing this hardware is generally quite simple and inexpensive. If a sash isn't easy to operate try spraying grease into the jamb channel, and then open it to see if this resolves the issue. If not, the problem is likely with the sash balance and you'll need to take out the sash to access the hardware.

Window sashes need to be able to open and close with minimal effort. However, this may be difficult if the weights are worn out or the sash-to-rail connecting rail isn't properly coated. This issue can be caused by a number of factors, including lack of maintenance or by an incorrect weight rating for the particular sash.

If the hinge arms of a window begin to slide, this could cause the sash to drag and eventually hit the frame in the corner that's directly opposite the hinge arm (Photo 1). To remedy the issue ensure that the sash is aligned in the frame opening and then remove it. If the sash was screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, older windows especially in older houses, could be difficult to open and close. In many cases, a few simple repairs can transform these windows into smooth operators and save homeowners cash on energy costs.

To make these sash repairs it is important to have all of the necessary tools in place before you begin. Start by marking the location of the hinge channel on the frame with pencil (Photo 1). This will assist you in getting the channel back in the correct position after you've finished. Take the sash off and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. The nozzle shield of the heat gun and a medium setting will soften any putty that has been hardened. Take off the old sash and place it in a bag with a label.

Sash Weights

Sash weights can be changed to improve the operation of your window sash and reduce the cost of energy. Sash weights consist of heavy lead or iron cylinders that are encased in a hidden cavity and are connected via a rope to the movable window sash. These weights provide counterbalance which allows the window to be shut and opened without using mechanical or electrical devices. When they fail, sashweights tend to be left unnoticed or disabled by homeowners.

It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that fits properly. You will also require a fresh piece of string, a length sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Older windows made of wood are joined using mortise and tenon joints. The wood pegs that hold the parts together can be removed by pin punches and hammers. Most of them have a large diameter on one side and a smaller diameter on the other side, so it is important to remove the smaller-diameter sides first. Sashes made later in the century used glue instead of pegs. They can be separated by cutting through the glue line using an instrument, and then tapping the mortised section loose using mallets.

Once the sash has been removed, you can take off the stops on the sash and get access to the weight pockets. This is typically done by drilling an opening at the bottom of every jamb. This hole is covered by an access panel of wood that can be cut off so that you can see the inner workings of the frame.

After you have the sash stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with the new. Be sure to weigh the sash prior to you begin, as the old weights may be a different size than what is needed. After the new weight is installed, tie a string to it and thread it through the sash pulley. Then, attach the string to the boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain attached to the weights that supports and keeps the sashes level in the jamb. As time passes, these cords may break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash up and down and keep it in place when opened.

The first step in replacing cords for sash is to locate and remove the access panels within the jambs. They are typically installed by screws or nails and must be removed or moved. It is possible to remove them with the hammer or chisel but it is always better to lay out dust sheets prior to starting any work.

After removing the access panel, you can begin to work on the sash. Use a flat bar or chisel to pull the tiny parting beads out of their grooves. It's important to be patient, as these are often stuck or nailed to the floor. If the sash is still in place, pry out the mortise and tenon joints with pin punch and hammer or screwdriver, then remove the wood pegs on the components. It should now be possible to move the sash around freely, although it will probably need some lubrication if it feels stiff.

Take a measurement of the length of the sash chain or sash cord needed to reach the sash slot on the bottom from the pulley located at the top of the jamb. Cut the cord/chain and then secure it as in Step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.

If you haven't purchased a kit that replaces the old counterbalance system, it's recommended to keep the original balancing weights in place. They are not expensive and simple to install if purchased them at architectural salvage stores. Depending on the size and shape of your window, you may require one or two sashweights in order to keep it open.